Finding the Fourth Proportional to 21,343,252.20, 32,015,763.90 and 6,197,183.70
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Solution
The fourth proportional to 21,343,252.20, 32,015,763.90 and 6,197,183.70 is: 9,296,032.69
Step by Step Solution
- Step 1: Write the proportion equation
21,343,252.20 : 32,015,763.90 = 6,197,183.70 : x - Step 2: Convert to fraction form
21,343,252.20/32,015,763.90 = 6,197,183.70/x - Step 3: Cross multiply
21,343,252.20x = 32,015,763.90 × 6,197,183.70 - Step 4: Simplify right side
21,343,252.20x = 198,407,570,184,128.44 - Step 5: Solve for x
x = 198,407,570,184,128.44/21,343,252.20 - Step 6: Final answer
x = 9,296,032.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.